MATLAB: How to make phased.CosineAntennaElement element pattern in z-direction

cosine pattern in z-directionPhased Array System Toolbox

phased.CosineAntennaElement will generate antenna pattern its maximum direction is in x-direction. How to let 'phased.CosineAntennaElement' element pattern pointing z-direction?

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Many thanks, I tried and it works.

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MATLAB: Target angle set up in a radar simulation without phase shifter

You should use tgtang. Note that what you do here is to synthesize the data. Therefore, even though the radar is not steering, you need to know what is the corresponding directional response of the radar toward the target. Therefore you need to use the direction toward the target.

HTH

MATLAB: How does one model a rotating antenna for an ATC radar in phased array

Hi Keketso,

Phased Array System Toolbox currently does not have built in support for rotating motion. However, it is possible to write some custom code to simulate the case by keep tracking the difference between the target direction and the orientation direction. For example, if you have a target at 30 degrees azimuth and the rotation rate is 1 rpm. Then the antenna response for this particular target, assuming a cosine pattern, can be simulated as

hant = phased.CosineAntennaElement;
fc = 3e8;
t = 0:59;
rot_rate = 360/60;
tgt_ang = 30;
resp = zeros(1,numel(t));
for m = 1:numel(t)
  in_ang = wrapTo180(tgt_ang - rot_rate*t(m));
  resp(m) = step(hant,fc,in_ang);
end

You can see the array response toward the target over time by plotting

plot(t,abs(resp))

If you need any further clarification, feel free to drop me a note.

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Related Solutions

MATLAB: Target angle set up in a radar simulation without phase shifter

MATLAB: How does one model a rotating antenna for an ATC radar in phased array

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